title: Optimal energy and nitrogen intake for gastroenterological patients requiring intravenous nutrition.
mesh_terms: D000328:Adult; D000368:Aged; D001823:Body Composition; D001835:Body Weight; D004573:Electrolytes / Q000378:metabolism; D005260:Female; D005767:Gastrointestinal Diseases / Q000628:therapy*; D005947:Glucose / Q000008:administration & dosage*; D006801:Humans; D008111:Liver Function Tests; D008297:Male; D008875:Middle Aged; D009584:Nitrogen / Q000008:administration & dosage*; D010288:Parenteral Nutrition; D011897:Random Allocation
chemical_list: D004573:Electrolytes; D005947:Glucose; D009584:Nitrogen